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  1. #1
    Jr. Apprentice
    Join Date
    Oct 2009
    Location
    South Carolina
    Posts
    15

    Default New treads for the 1500. * pics * Odd tire size ! 255/85/16

    So I've been looking at tires for a while now, and I have a good friend that works for a major tire MFG and he turned me onto this size for my truck. These tires are 255/85/16 They are a fair amount taller then the 285 A/Ts I was running as you can see in that pictures. With the 285s I was having rubbing issues on the frame and sway bar at full lock, these 255s don't rub ANY WHERE !The width is what makes all the difference in the world on rubbing. That includes driving through a ditch at full lock both directions. Another added benefit with these tires is the decreased rolling resistance, due to the skinnier tire, should result in a little better fuel economy. I was concerned that it would look like a tractor with the skinny tires, but they look good on the truck. The added height defiantly messed with the gearing of the truck a little but it isnt enough to bother me. My truck is a 04 1500 2wd and it has the "leveling" coil spacers in the front and helpers in the rear. Over all I couldn't be happier with these tires, and hopefully if any one else has considered this size then these pictures can help you make an educated decision. I plan on adding the RC knuckle lift in the front and some blocks in the rear soon. Let me know what you guys think on how they look/fit on the truck.










    Last edited by only1stegall; 10-22-2009 at 06:46 AM. Reason: added another picture
    Only1Stegall

    2001 Yukon XL
    2004 Sierra 1500HD
    2008 Malibu SS
    1977 Nova SS

  2. #2
    Jr. Apprentice
    Join Date
    Oct 2009
    Location
    South Carolina
    Posts
    15

    Default

    Also, if any one wonders, my truck has the 4.8 v8, 4 speed auto and 3.73 gears. The 255s measure 33 1/4 inches tall mounted with the truck on the ground.

  3. #3

    Default

    they look great, i got some 33x10.5x15 in those and i love em

    2000 Chevy Silverado 2500 4x4

    6.0L v8:great: 4L80E

    2.5 in Daystar leveling keys

    285/75/16s BFG ATs on HD wheels

    Cab lights and tool box

  4. #4
    Legend

    Join Date
    Feb 2008
    Location
    Red Wing, Minnesota, United States
    Posts
    3,386

    Default

    You may have less rolling resistance but that also decreases your braking area, with a smaller footprint on the ground. Will also mean you have a taller sidewall that will give more when cornering. Just cant say i am an advocate of going to a smaller tire then what is designed for a vehicle.
    Last edited by vncj96; 10-22-2009 at 05:10 AM.
    99 K1500 Suburban LT "THE BEAST"
    Hypertech III, K&N, true dual
    285/75/16
    ___________________________
    Jason

  5. #5
    Jr. Apprentice
    Join Date
    Oct 2009
    Location
    South Carolina
    Posts
    15

    Default

    According to my window sticker the truck came from the factory with 255/70 16s I think the 255/85 is a excellent match for this truck for soem one who wants a taller tire.
    Last edited by only1stegall; 10-22-2009 at 02:49 PM.

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